18. Waves & Sound
Standing Waves
3:04 minutes
Problem 17m
Textbook Question
Textbook QuestionPiano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note A should have a frequency of 440 Hz and the note E should be at 659 Hz. a.What is the frequency difference between the third harmonic of the A and the second harmonic of the E?
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